Diphtheria - number of reported cases in Lower-middle income (World Bank)
Lower-middle income (World Bank): Diphtheria - number of reported cases was 20,601 in 2025. ◆ Volatile
Diphtheria - number of reported cases in Lower-middle income (World Bank), 1974–2025
Source: World Health Organization, Global Health Observatory.
Analysis
Lower-middle income (World Bank) recorded 20,601 for diphtheria - number of reported cases in 2025.
That represents a change of up 16.9% on the previous year and up 657.1% over ten years.
Over the whole period, diphtheria - number of reported cases in Lower-middle income (World Bank) peaked at 65,549 in 1980 and was at its lowest, 1,968, in 2021.
The series is highly variable year to year, so single readings are best treated with caution.
Diphtheria - number of reported cases in Lower-middle income (World Bank), year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 30,661 | — |
| 1975 | 36,604 | +19.4% |
| 1976 | 27,001 | -26.2% |
| 1977 | 29,233 | +8.3% |
| 1978 | 32,437 | +11.0% |
| 1979 | 40,299 | +24.2% |
| 1980 | 65,549 | +62.7% |
| 1981 | 45,317 | -30.9% |
| 1982 | 31,261 | -31.0% |
| 1983 | 21,722 | -30.5% |
| 1984 | 23,254 | +7.1% |
| 1985 | 22,210 | -4.5% |
| 1986 | 16,923 | -23.8% |
| 1987 | 17,634 | +4.2% |
| 1988 | 21,871 | +24.0% |
| 1989 | 18,568 | -15.1% |
| 1990 | 12,970 | -30.1% |
| 1991 | 16,530 | +27.4% |
| 1992 | 11,601 | -29.8% |
| 1993 | 10,710 | -7.7% |
| 1994 | 6,582 | -38.5% |
| 1995 | 10,293 | +56.4% |
| 1996 | 8,485 | -17.6% |
| 1997 | 3,237 | -61.9% |
| 1998 | 3,742 | +15.6% |
| 1999 | 2,226 | -40.5% |
| 2000 | 9,504 | +327.0% |
| 2001 | 8,865 | -6.7% |
| 2002 | 6,580 | -25.8% |
| 2003 | 5,280 | -19.8% |
| 2004 | 8,759 | +65.9% |
| 2005 | 6,682 | -23.7% |
| 2006 | 3,315 | -50.4% |
| 2007 | 3,978 | +20.0% |
| 2008 | 4,290 | +7.8% |
| 2009 | 3,885 | -9.4% |
| 2010 | 3,783 | -2.6% |
| 2011 | 4,371 | +15.5% |
| 2012 | 2,944 | -32.6% |
| 2013 | 3,501 | +18.9% |
| 2014 | 7,229 | +106.5% |
| 2015 | 2,721 | -62.4% |
| 2016 | 3,711 | +36.4% |
| 2017 | 7,527 | +102.8% |
| 2018 | 12,756 | +69.5% |
| 2019 | 12,607 | -1.2% |
| 2020 | 3,848 | -69.5% |
| 2021 | 1,968 | -48.9% |
| 2022 | 3,807 | +93.4% |
| 2023 | 18,951 | +397.8% |
| 2024 | 17,623 | -7.0% |
| 2025 | 20,601 | +16.9% |
Biggest year-on-year movements
Years where Diphtheria - number of reported cases in Lower-middle income (World Bank) changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2023 | +397.8% | 3,807 | 18,951 |
| 2000 | +327.0% | 2,226 | 9,504 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 32,706 | 27,001 | 40,299 | 6 |
| 1980s | 28,431 | 16,923 | 65,549 | 10 |
| 1990s | 8,638 | 2,226 | 16,530 | 10 |
| 2000s | 6,114 | 3,315 | 9,504 | 10 |
| 2010s | 6,115 | 2,721 | 12,756 | 10 |
| 2020s | 11,133 | 1,968 | 20,601 | 6 |
Countries ranked near Lower-middle income (World Bank)
More health data for Lower-middle income (World Bank)
- Diphtheria - number of reported cases, gaps filled 20,601 (2025)
- Neonatal tetanus - number of reported cases, gaps filled 838 (2025)
- Pertussis - number of reported cases, gaps filled 7,080 (2025)
- Total tetanus - number of reported cases, gaps filled 16,092 (2025)
- Measles - number of reported cases, gaps filled 97,321 (2025)
- Number of infant deaths, annual growth rate -2.13 % change on previous year (2024)
- Number of neonatal deaths, annual growth rate -2.37 % change on previous year (2024)
- Number of under-five deaths, annual growth rate -2.34 % change on previous year (2024)
- Measles - number of reported cases, annual growth rate -8.83 % change on previous year (2025)
- Pertussis - number of reported cases, annual growth rate -40.79 % change on previous year (2025)
Frequently asked questions
- What is diphtheria - number of reported cases in Lower-middle income (World Bank)?
- Diphtheria - number of reported cases in Lower-middle income (World Bank) was 20,601 in 2025, according to World Health Organization, Global Health Observatory.
- What is the highest diphtheria - number of reported cases recorded in Lower-middle income (World Bank)?
- The highest recorded value was 65,549 in 1980.
- What is the lowest diphtheria - number of reported cases recorded in Lower-middle income (World Bank)?
- The lowest recorded value was 1,968 in 2021.
- How does Lower-middle income (World Bank) rank for diphtheria - number of reported cases?
- Lower-middle income (World Bank) ranks 2nd out of 11 groups with data for 2025.
- Is diphtheria - number of reported cases rising or falling in Lower-middle income (World Bank)?
- Over the last ten years it is up 657.1%. The long-run trend across the full record is volatile.
- Where does this Lower-middle income (World Bank) data come from?
- The figures come from World Health Organization, Global Health Observatory, published as part of Diphtheria - number of reported cases. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 52 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).